#include "gtest/gtest.h"

#include "RiaCurveDataTools.h"

#include <cmath> // Needed for HUGE_VAL on Linux
#include <numeric>

//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
TEST( RimWellLogExtractionCurveImplTest, StripOffInvalidValAtEndsOfVector )
{
    std::vector<double> values;
    values.push_back( HUGE_VAL );
    values.push_back( HUGE_VAL );
    values.push_back( 1.0 );
    values.push_back( 2.0 );
    values.push_back( 3.0 );
    values.push_back( HUGE_VAL );

    bool includePositiveValuesOnly = false;
    auto valuesIntervals           = RiaCurveDataTools::calculateIntervalsOfValidValues( values, includePositiveValuesOnly );

    EXPECT_EQ( 1, static_cast<int>( valuesIntervals.size() ) );
    EXPECT_EQ( 2, static_cast<int>( valuesIntervals[0].first ) );
    EXPECT_EQ( 4, static_cast<int>( valuesIntervals[0].second ) );
}

//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
TEST( RimWellLogExtractionCurveImplTest, StripOffHugeValAtEndsAndInteriorOfVector )
{
    std::vector<double> values;
    values.push_back( HUGE_VAL );
    values.push_back( HUGE_VAL );
    values.push_back( 1.0 );
    values.push_back( HUGE_VAL );
    values.push_back( HUGE_VAL );
    values.push_back( 2.0 );
    values.push_back( 3.0 );
    values.push_back( HUGE_VAL );

    bool includePositiveValuesOnly = false;
    auto valuesIntervals           = RiaCurveDataTools::calculateIntervalsOfValidValues( values, includePositiveValuesOnly );

    EXPECT_EQ( 2, static_cast<int>( valuesIntervals.size() ) );
    EXPECT_EQ( 2, static_cast<int>( valuesIntervals[0].first ) );
    EXPECT_EQ( 2, static_cast<int>( valuesIntervals[0].second ) );
    EXPECT_EQ( 5, static_cast<int>( valuesIntervals[1].first ) );
    EXPECT_EQ( 6, static_cast<int>( valuesIntervals[1].second ) );
}

//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
TEST( RimWellLogExtractionCurveImplTest, PositiveValuesOnly )
{
    std::vector<double> values;
    values.push_back( HUGE_VAL );
    values.push_back( HUGE_VAL );
    values.push_back( -1.0 );
    values.push_back( 0.0 );
    values.push_back( 0.1 );
    values.push_back( 0.2 );
    values.push_back( -1.0 );
    values.push_back( HUGE_VAL );
    values.push_back( 2.0 );
    values.push_back( 3.0 );
    values.push_back( HUGE_VAL );

    bool includePositiveValuesOnly = true;
    auto valuesIntervals           = RiaCurveDataTools::calculateIntervalsOfValidValues( values, includePositiveValuesOnly );

    EXPECT_EQ( 2, static_cast<int>( valuesIntervals.size() ) );
    EXPECT_EQ( 4, static_cast<int>( valuesIntervals[0].first ) );
    EXPECT_EQ( 5, static_cast<int>( valuesIntervals[0].second ) );
    EXPECT_EQ( 8, static_cast<int>( valuesIntervals[1].first ) );
    EXPECT_EQ( 9, static_cast<int>( valuesIntervals[1].second ) );
}